143420132440 has 64 divisors (see below), whose sum is σ = 347687474400. Its totient is φ = 52929303552.

The previous prime is 143420132393. The next prime is 143420132473. The reversal of 143420132440 is 44231024341.

It is a junction number, because it is equal to n+sod(n) for n = 143420132399 and 143420132408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016956 + ... + 1149364.

Almost surely, 2^143420132440 is an apocalyptic number.

143420132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143420132440 is an abundant number, since it is smaller than the sum of its proper divisors (204267341960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143420132440 is a wasteful number, since it uses less digits than its factorization.

143420132440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134516 (or 134512 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 143420132440 its reverse (44231024341), we get a palindrome (187651156781).

It can be divided in two parts, 1434201 and 32440, that added together give a palindrome (1466641).

The spelling of 143420132440 in words is "one hundred forty-three billion, four hundred twenty million, one hundred thirty-two thousand, four hundred forty".